--- Would you like to go birdwatching with us?
--- .
| A．Yes, I would | B．No, I wouldn’t |
| C．Yes, I’d like to | D．No, I am not happy |
All of us ______ very happy if you can come with us.
| A．will be | B．are | C．be | D．were |
— Hi, Nancy. Shall we go to France for the long holiday?
— Sorry, Kate and I ______ there twice.
| A．be | B．were |
| C．have been | D．will be |
He ______ TV when I called him last night.
| A．watches | B．watched |
| C．will watch | D．was watching |
We are sure one day the air in Beijing will be much ______ than today.
| A．clean | B．cleaner |
| C．cleanest | D．the cleanest |
What a nice day! We decide ______ out for a picnic.
| A．go | B．going | C．went | D．to go |